U.S. and Europe testing LEO navigation technologies – but don’t call them ‘alternatives’ to today’s GNSS

by Peter B. de Selding

LA PLATA, Maryland — The United States and Europe are both investing in orbital demonstrations of satellites that would complement the Global Navigation Satellite Service (GNSS) whose core is the U.S. GPS and European Galileo positioning, navigation and timing (PNT) networks.

The investments so far are being done in parallel but not in concert with each other. Their goal is the same: Develop a capability that can mitigate the weak, jamming- and spoofing-susceptible L-band signals from today’s GNSS with something less easily compromised.

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